Total Crime Rate
28.0 per 1,000
All offences · May 2025 - Apr 2026Violent Crime Rate
21.7 per 1,000
May 2025 - Apr 2026Clas Cwm area has the 3rd lowest crime rate of 24 local areas in Glyn-coch , and the 157th lowest crime rate of 791 local areas in Rhondda Cynon Taf .
At least one of the neighbouring streets has high or very high crime levels. However, overall crime around this postcode is more mixed, with some nearby areas experiencing lower crime.
The overall crime rate in the area around Clas Cwm (CF37 3DG) in the last 12 months was 28.0 per 1,000 residents and was 61.9% lower than the Glyn-coch average (73.3 per 1,000 residents). In the last 12 months, this area’s most reported crimes were Violence and sexual offences with 5 offences recorded. The least common crime was Criminal damage and arson with 1 case , unchanged from 2025. Overall, crime levels by type were broadly flat compared to 2025, with no category showing a clear year-on-year rise or fall.
Violent crimes totalled 7 (≈ 21.7 per 1,000 residents). Year-over-year these were flat ( 0.0% ). Over the last decade, overall crime has falling ( -42.6% comparing early vs recent averages) .
In the area around Clas Cwm (CF37 3DG), the main crime hotspot is near Derwendeg Avenue. Police recorded 37 crimes here, including 23 violent or public-order offences. All these locations are within roughly 0.3 miles.
View Crime In Ynysybwl| Month | Crime | Location* | Last Outcome |
|---|---|---|---|
| Apr 2026 | Burglary | Plas-Y-Fedwen | Under investigation |
| Apr 2026 | Violence and sexual offences | Derwendeg Avenue | Under investigation |
| Apr 2026 | Violence and sexual offences | Garth Avenue | Unable to prosecute suspect |
| Apr 2026 | Violence and sexual offences | Cefn Lane | Under investigation |
| Apr 2026 | Violence and sexual offences | Garth Avenue | Unable to prosecute suspect |
| Apr 2026 | Violence and sexual offences | Cefn Lane | Unable to prosecute suspect |
| Apr 2026 | Violence and sexual offences | Cefn Lane | Unable to prosecute suspect |
| Apr 2026 | Burglary | Grovers Close | Under investigation |
| Apr 2026 | Violence and sexual offences | Nant-Y-Mynydd | Under investigation |
StreetScan crime figures are based on official UK open data:
Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright and database right.